Error

PHP Noticeyii\base\ErrorException

Undefined variable: k

$_GET = [
    'cat' => 'baykau',
    'id' => '8',
];

$_SERVER = [
    'USER' => 'www-data',
    'HOME' => '/var/www',
    'HTTP_USER_AGENT' => 'claudebot',
    'HTTP_ACCEPT' => '*/*',
    'HTTP_CONNECTION' => 'close',
    'HTTP_X_REAL_IP' => '3.87.209.162',
    'HTTP_X_FORWARDED_FOR' => '3.87.209.162',
    'HTTP_HOST' => 'tilqazyna.kz',
    'HTTPS' => 'on',
    'REDIRECT_STATUS' => '200',
    'SERVER_NAME' => 'tilqazyna.kz',
    'SERVER_PORT' => '80',
    'SERVER_ADDR' => '192.168.0.14',
    'REMOTE_PORT' => '42506',
    'REMOTE_ADDR' => '192.168.0.2',
    'SERVER_SOFTWARE' => 'nginx/1.10.3',
    'GATEWAY_INTERFACE' => 'CGI/1.1',
    'REQUEST_SCHEME' => 'http',
    'SERVER_PROTOCOL' => 'HTTP/1.0',
    'DOCUMENT_ROOT' => '/var/www/tilqazyna.kz',
    'DOCUMENT_URI' => '/frontend/web/index.php',
    'REQUEST_URI' => '/neworta/baykau/8',
    'SCRIPT_NAME' => '/frontend/web/index.php',
    'CONTENT_LENGTH' => '',
    'CONTENT_TYPE' => '',
    'REQUEST_METHOD' => 'GET',
    'QUERY_STRING' => '',
    'SCRIPT_FILENAME' => '/var/www/tilqazyna.kz/frontend/web/index.php',
    'PATH_INFO' => '',
    'FCGI_ROLE' => 'RESPONDER',
    'PHP_SELF' => '/frontend/web/index.php',
    'REQUEST_TIME_FLOAT' => 1711648130.8192611,
    'REQUEST_TIME' => 1711648130,
];